#include <stdio.h>


int main(void)
  {
  int z;

  scanf("%d",&z);
  while(z--)
    {
    int lim,del,x,y;
    scanf("%d %d",&lim,&del);
    x=(lim-1)/del;
    y=x-1;
    if(y<=0) 
      printf("Reseni neexistuje.\n");
    else
      printf("%d %d\n",x*del,y*del);
  }
  return 0;
}